Unreal Engine Issues
Unreal Engine Issues
WorldToMeterScale appears to snap back to default when VR headset does not meet 90 FPS if WorldToMeterScale has been changed
UE - Platform - XR - May 29, 2018WorldToMeterScale appears to snap back to default when VR headset does not meet 90 FPS if WorldToMeterScale has been changed ...
incorrect virtual texture shader code(in FinalizeVirtualTextureFeedback) on Mobile forward platform
UE - Graphics Features - Mar 15, 2021in the function FinalizeVirtualTextureFeedback, the micro "USE_DBUFFER && MATERIALDECALRESPONSEMASK" returns true on mobile forward, while there is no DBUFFER on Mobile forward obviously. This takes ...
SingleLayerWater is rendering brighter shallow water with fog
UE - Graphics Features - Jul 12, 2021Shallow water areas in scenes with exponential height fog will be brighter than they should be. Possibly due to the fog being applied twice in the SingleLayerWater shading model. ...
Performance decreases with the number of morph targets
UE - CAPT - Control Rig - Jun 15, 2023Performance decreases quite a bit on characters with large number of morph targets, as soon as even one target is active. ...
Merge Actor - Approximate Actors algorithm is using Mesh Description directly rather than the Nanite parameters
UE - World Creation - Worldbuilding Tools - Merge Actor - Jul 25, 2025In an ideal world, all mesh merge algorithms should have the option to use as input one of the followingRender mesh (non-nanite) (+ the option to target a specific LOD)Mesh Description (+ the option ...
Engine Scalability Resolution Scale does nothing until r.ScreenPercentage.Editor is set
UE - Graphics Features - Jul 10, 2015The Resolution Scale Slider in the Engine Scalability Settings does not adjust any settings unless your first adjust the r.ScreenPercentage.Editor variable. Also reproduced in Main - Promotable - C ...
sg.ResolutionQuality command doesn't work
UE - Graphics Features - Jan 9, 2015Using the sg.ResolutionQuality command in code or the console has no effect in 4.6.1 or 4.7. ...
Rifles are offset in Display 1.15 when opening Content Examples Animation map
UE - Gameplay - Oct 28, 2016REGRESSION: YesWORKING: 3172292 (4.13.2)BROKEN: 3177600 (4.14) In the Content Examples Animation level, at Display 1.15, the rifles are offset from the character's hands for two of the skeletal mes ...
Crash When Selecting Actor in the World Outliner That is Using ColorGradingMode
Tools - Jun 2, 2017When selecting an actor in the World Outliner that is using the ColorGradingMode specifier (ColorGradingMode = "saturation"), the editor crashes. This did not occur in 4.15.3. This is a regression ...
Editor crash when calling SGridPanel::SetRowFill
Tools - Aug 22, 2017Calling SGridPanel::SetRowFill on an actor's BeginPlay causes the editor to crash with the callstack provided The reporter mentioned SetRowFill uses if() statement where SetColumnFill uses while() ...